Alex Kumar

module Idempotency
  extend ActiveSupport::Concern

  included do
    before_action :check_idempotency_key, only: [:create, :update]
    after_action :store_idempotent_response, only: [:create, :update]

class AddMetadataToUsers < ActiveRecord::Migration[6.1]
  def change
    add_column :users, :metadata, :jsonb, default: {}, null: false
    add_index :users, :metadata, using: :gin
  end
end

require 'activerecord-import'

class BulkImportPostsService
  BATCH_SIZE = 1000

  def initialize(csv_file_path)

class CreateAuditLogs < ActiveRecord::Migration[6.1]
  def change
    create_table :audit_logs do |t|
      t.references :user, null: true, foreign_key: true
      t.string :action, null: false
      t.string :resource_type

class RateLimiter
  def initialize(key:, limit:, window:)
    @key = "rate_limit:#{key}"
    @limit = limit
    @window = window
  end

class NotificationsChannel < ApplicationCable::Channel
  def subscribed
    stream_for current_user
  end

  def unsubscribed

module Middleware
  class RequestTimer
    def initialize(app)
      @app = app
    end

module Types
  class PostType < Types::BaseObject
    field :id, ID, null: false
    field :title, String, null: false
    field :body, String, null: false
    field :excerpt, String, null: true

production:
  primary:
    adapter: postgresql
    url: <%= ENV['DATABASE_URL'] %>
    pool: <%= ENV.fetch("RAILS_MAX_THREADS", 5) %>
  primary_replica:

class PaymentService
  def initialize
    Stripe.api_key = Rails.application.credentials.stripe[:secret_key]
  end

  def create_payment_intent(amount:, currency: 'usd')

class AddDeletedAtToPosts < ActiveRecord::Migration[6.1]
  def change
    add_column :posts, :deleted_at, :datetime
    add_index :posts, :deleted_at
  end
end

require 'swagger_helper'

RSpec.describe 'Api::V1::Posts', type: :request do
  path '/api/v1/posts' do
    get 'Retrieves all posts' do
      tags 'Posts'